FEBI BILSTEIN 37521 Coolant Temperature Sensor

Compatible with AUDI COUPE B3 (89, 8B3) , AUDI CABRIOLET B3 (8G7) , AUDI A6 C4 (4A2) Show more info
Ensures accurate engine coolant temperature readings for optimal performance and protection.
23.42 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (30.03.2026)
PN 37521
Make FEBI BILSTEIN
EAN 4027816375210

This FEBI BILSTEIN 37521 coolant temperature sensor is designed to provide precise measurements of your engine's coolant temperature. Accurate readings are crucial for the engine control unit (ECU) to manage fuel injection, ignition timing, and cooling fan operation, thereby ensuring optimal engine performance and preventing overheating. Crafted with high-quality materials, this sensor is built for durability and reliable operation under demanding engine conditions. Its direct fit design ensures straightforward installation, replacing your old or faulty sensor with minimal hassle. Maintaining the correct coolant temperature is vital for fuel efficiency and extending the lifespan of your engine components.

  • Direct replacement for original equipment
  • Ensures accurate engine temperature monitoring
  • Supports optimal fuel efficiency and performance
  • Helps prevent engine overheating
  • Durable construction for long service life
  • Easy installation
Number of connections
4
Color
black
Activation point [°C]
+120
Additional article/Additional information
with gasket
Additional article/Additional information
with a retaining spring
  • AUDI
    • COUPE B3 (89, 8B3)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
    • CABRIOLET B3 (8G7)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
    • A6 C4 (4A2)
      • 2.5 TDI (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 1.8 (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.6 (102kW/139PS)
      • 2.8 (120kW/163PS)
    • A6 C4 Avant (4A5)
      • 2.5 TDI (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 1.8 (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.6 (102kW/139PS)
    • A4 B5 (8D2)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 quattro (128kW/174PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 1.9 TDI (55kW/75PS)
      • 1.8 (85kW/115PS)
      • 2.6 (102kW/139PS)
    • A4 B5 Avant (8D5)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 1.8 (85kW/115PS)
0 Updated